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blondinia [14]
2 years ago
11

Jewelry and tableware are sometimes made of sterling silver. Sterling silver is 92.5% silver (Ag) and 7.5% copper (Cu). If you w

anted to make 30 grams of sterling silver for a ring, how many grams of silver and copper would you need to start with?
Amount of sterling silver?
Amount of copper?
total grams of alloys needed?
Chemistry
1 answer:
Volgvan2 years ago
4 0

Answer:

12.33

Explanation:

92.5/7.5= 12.33

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a mineral a.has a chemical formula b. occurs naturally c. has a characteristic internal structure d.all of the above
Anuta_ua [19.1K]
Answer: option d. all of the above.

Explanation:

A mineral is an element or a inorganic compound that existes in nature as solid cristals; usually combined with other minerals in ores.

Some examples of minerals, among many, are titania, wich is TiO2, zirconia, which is ZrO2, silica, which is SiO2, gold, Au, silver, Ag.

As you see the definition and examples given meet the whole features included in the stament: a. the have a chemical formula, b they occur naturally, and c.have a characteristic internal structure (that is the way how the atoms are arranged in the specifi cristal).
4 0
3 years ago
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In part 3 of the lab, you discovered the relationship between temperature (T) and volume (V) of a gas.
rewona [7]

\frac{V1}{T1} = k

<u>Explanation:</u>

The relation between volume, V of gas and Temperature, T of a gas is related by Charles Law.

This law states that the volume of a given amount of gas held at a constant pressure is directly proportional to the Kelvin temperature

Thus,

\frac{V}{T} = k

where k is a constant

Therefore,

\frac{V1}{T1} = \frac{V2}{T2\\} = \frac{V3}{T3} ...

This shows, as the volume of a gas goes up, the temperature also goes up and vice-versa.

7 0
3 years ago
25. What is a subdivision of a family? *<br> O kingdom<br> O domain<br> O genus<br> O species
Anni [7]
The answer I believe is genus
7 0
3 years ago
How can all chemical compounds be classified?
ale4655 [162]
Organic or inorganic is the answer
5 0
3 years ago
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How many milliliters of a stock solution of 12.1 M HNO3 would be needed to prepare 0.500 L of 0.500 M HNO3
AnnZ [28]

Answer:

(5.00M)(X) = (0.120L)(0.470M)

 

X = (0.120)(0.470)/(5.00)

0.01128

Explanation:

7 0
2 years ago
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